Instant warmer



FIG. 1 is a front and top perspective view of an instant warmer, showing my new design;

FIG. 2 is a rear and bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the figures illustrate portions of the instant warmer that form no part of the claimed design. 

CLAIM The ornamental design for an instant warmer, as shown and described. 